Tom, look at your shirt! It requires ________. 
#90771
A
washing
B
washed
C
to wash
D
being washed
推荐题目
__________ her son for half a month, Marcia decided to leave for Texas with the hope of finding him.
#94490
A
Not heard from
B
Having not heard from
C
Not to hear from
D
Not having heard from
To everyone’s surprise, Michael claimed _____ all his homework in just one hour. 
#95895
A
having finished
B
to have finished
C
that finished
D
finishing
----- How did you know the surprising news?----- I happened _______ the event then.
#92985
A
to cover
B
to be covering
C
covering
D
to have covered